<!--观察者模式：客户端和服务端解耦-->
<html>
<meta charset="UTF-8">
<style>
div{
	margin:10px;
	width:500px;
	height:200px;
	border: 1px solid green;
}
</style>
<head>

</head>
<body>
	<h1>责任链模式</h1>
	<form action="07.php" method="post">
		<select id="select" name="jubao">
			<option value="1">粗口</option>
			<option value="2">黄赌毒</option>
			<option value="3">分裂国家</option>
			<input type="submit" value="提交" />
		</select>
	</form>
</body>










</html>	
